-M2MENC(mpeg4,"MPEG4", AV_CODEC_ID_MPEG4);
-M2MENC(h263, "H.263", AV_CODEC_ID_H263);
-M2MENC(h264, "H.264", AV_CODEC_ID_H264);
-M2MENC(hevc, "HEVC", AV_CODEC_ID_HEVC);
-M2MENC(vp8, "VP8", AV_CODEC_ID_VP8);
+M2MENC(mpeg4,"MPEG4", mpeg4_options, AV_CODEC_ID_MPEG4);
+M2MENC(h263, "H.263", options, AV_CODEC_ID_H263);
+M2MENC(h264, "H.264", options, AV_CODEC_ID_H264);
+M2MENC(hevc, "HEVC", options, AV_CODEC_ID_HEVC);
+M2MENC(vp8, "VP8", options, AV_CODEC_ID_VP8);